suppose that congress passes a law requiring that all employers provide employees with a new benefit that will raise the cost for having employees by $6.00 per hour. a. what effect does this mandate have on the demand for labor? b. if wages can freely adjust to balance supply and demand, how does this law affect the wage and the level of employment? are employers better or worse off? are employees better or worse off? c. suppose that workers do not value the mandated benefit. does this assumption change